Mirrorpool [Oath of the Gatewatch] Vedalken Knight Set: Mercadian Masques Type: Land

Set: Mercadian Masques Type: Land Rarity: Common Sandstone Needle enters the battlefield tapped with two depletion counters on it

it enters the battlefield as a copy of one of those cards with a number of additional +1/+1 counters on it equal to the power of the other card

Set: Arabian Nights Type: Creature — Human Warrior Rarity: Common Cost: {1}{B} At the beginning of your end step

where X is the number of charge counters on Riptide Replicator

Kher Keep is unique among fortresses: impervious to aerial assault but defenseless from the ground

Mirrorpool [Oath of the Gatewatch] Vedalken Knight Set: Mercadian Masques Type: LandSet: Oath of the Gatewatch Type: Land Rarity: Mythic Mirrorpool enters the battlefield tapped. {T}: Add {C}. {2}{C}, {T}, Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}{C}, {T}, Sacrifice Mirrorpool: Create a token that's a copy of target creature you control.